Ryan Tillman, MD
NPI 1922367531 · Emergency Medicine Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Tillman, MD is a Emergency Medicine Physician provider in Ann Arbor, MI (NPI 1922367531).
Provider details
- NPI number
- 1922367531
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301100413 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
666 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 503 | $170 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 100 | $117 |
| Critical Care, First 30-74 Minutes99291 | 52 | $206 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 11 | $8 |
Typical Medicare-allowed amounts for these services range $8–$206 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 97 | 96 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 77 | 74 |
| Cefdinir | 73 | 73 |
| Tramadol Hcl | 71 | 69 |
| Methylprednisolone | 56 | 55 |
| Methocarbamol | 33 | 33 |
| Metronidazole | 25 | 25 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-05-16
- Last updated
- 2017-11-17
Frequently asked questions
- What is Ryan Tillman's NPI number?
- Ryan Tillman's National Provider Identifier (NPI) is 1922367531, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Tillman's specialty?
- Ryan Tillman is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Tillman located?
- Ryan Tillman's practice location on file with NPPES is 1500 E Medical Center Dr, Ann Arbor, MI 48109-5000.
- What is Ryan Tillman's phone number?
- The practice phone number listed in the NPPES registry for Ryan Tillman is (734) 936-4280.
- Does Ryan Tillman accept Medicare?
- Ryan Tillman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Tillman's NPI active?
- Yes — Ryan Tillman's NPI (1922367531) is active in the NPPES registry as of the last update on 2017-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.